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Around reactor fuel rods, which process accelerates cladding corrosion?

A)Radiolysis from decay products
B)Increased fast neutron bombardment
C)Elevated bulk coolant temperature
D)Fission product electromigration

💡 Explanation

Radiolysis near fuel rods causes water molecules to break down into reactive radicals, therefore accelerating corrosion, because the **decomposition reaction** increases the chemical reactivity within the cooling boundary layer, rather than simply increasing temperature which shifts equilibrium.

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